Home / 3,539.80-5,305.14-1,897

Finding the Fourth Proportional to 3,539.80, 5,305.14 and 1,897

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Solution

The fourth proportional to 3,539.80, 5,305.14 and 1,897 is: 2,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.80 : 5,305.14 = 1,897 : x
  2. Step 2: Convert to fraction form
    3,539.80/5,305.14 = 1,897/x
  3. Step 3: Cross multiply
    3,539.80x = 5,305.14 × 1,897
  4. Step 4: Simplify right side
    3,539.80x = 10,063,850.58
  5. Step 5: Solve for x
    x = 10,063,850.58/3,539.80
  6. Step 6: Final answer
    x = 2,843.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.